Genetic Variant CES1:c.-21G>A (chr16-55833076-C-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001025195.2(CES1):c.-21G>A variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000033 in 1,516,654 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000071 ( 0 hom., cov: 31)

Exomes 𝑓: 0.0000029 ( 1 hom. )

Consequence

CES1
NM_001025195.2 5_prime_UTR

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -2.33

Publications

4 publications found

Variant links:

Genes affected

CES1 (HGNC:1863): (carboxylesterase 1) This gene encodes a member of the carboxylesterase large family. The family members are responsible for the hydrolysis or transesterification of various xenobiotics, such as cocaine and heroin, and endogenous substrates with ester, thioester, or amide bonds. They may participate in fatty acyl and cholesterol ester metabolism, and may play a role in the blood-brain barrier system. This enzyme is the major liver enzyme and functions in liver drug clearance. Mutations of this gene cause carboxylesterase 1 deficiency. Three transcript variants encoding three different isoforms have been found for this gene. [provided by RefSeq, Jun 2010]

CES1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.8).

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	MANE	Protein	UniProt
CES1	NM_001025195.2 link	c.-21G>A	5_prime_UTR_variant	Exon 1 of 14	ENST00000360526.8	NP_001020366.1	P23141-2
CES1	NM_001025194.2 link	c.-21G>A	5_prime_UTR_variant	Exon 1 of 14		NP_001020365.1	P23141-1
CES1	NM_001266.5 link	c.-21G>A	5_prime_UTR_variant	Exon 1 of 14		NP_001257.4	P23141-3
CES1	XM_005255774.3 link	c.-21G>A	5_prime_UTR_variant	Exon 1 of 14		XP_005255831.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CES1	ENST00000360526.8 link	c.-21G>A		5_prime_UTR_variant	Exon 1 of 14	1	NM_001025195.2	ENSP00000353720.4		P23141-2

Frequencies

GnomAD3 genomes

AF:

0.00000715

AC:

AN:

139926

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000262

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000177

AC:

AN:

225748

AF XY:

0.00000816

show subpopulations

Gnomad AFR exome

AF:

0.0000692

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000982

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000291

AC:

AN:

1376728

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

685764

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31524

American (AMR)

AF:

0.00

AC:

AN:

43616

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24880

East Asian (EAS)

AF:

0.0000283

AC:

AN:

35378

South Asian (SAS)

AF:

0.0000245

AC:

AN:

81752

European-Finnish (FIN)

AF:

0.00

AC:

AN:

50266

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5186

European-Non Finnish (NFE)

AF:

9.55e-7

AC:

AN:

1047376

Other (OTH)

AF:

0.00

AC:

AN:

56750

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00000715

AC:

AN:

139926

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

67954

show subpopulations

African (AFR)

AF:

0.0000262

AC:

AN:

38238

American (AMR)

AF:

0.00

AC:

AN:

14020

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3244

East Asian (EAS)

AF:

0.00

AC:

AN:

4500

South Asian (SAS)

AF:

0.00

AC:

AN:

4228

European-Finnish (FIN)

AF:

0.00

AC:

AN:

9750

Middle Eastern (MID)

AF:

0.00

AC:

AN:

270

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

62960

Other (OTH)

AF:

0.00

AC:

AN:

1884

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

147

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.80

CADD

Benign

1.3

(source)

DANN

Benign

0.71

PhyloP100

-2.3

PromoterAI

-0.085

Neutral

(source)

Mutation Taster

=300/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over